Jerry,
Thanks for this information. These are fantastic results.
I have been waiting for the best time to move from XP 32 bit to W7 64 bit.
IQFeed and AB 64 bit are now available, I just upgraded my RAM to 8GB
yesterday, and Parallels on a Mac now supports W7 64 bit.
It seems that all the parts are in place to make the switch to 64 bit.
However, I am still wary of making the switch too soon before all the bugs are
worked out. Even though I am desperate for more speed,
I still have to use this system in live trading every day.
It looks like I will have to make an experimental version of the complete
system as a new virtual machine in the next several weeks to test it.
Best regards,
Dennis
On Aug 1, 2010, at 11:54 AM, Jerry Gress wrote:
>
> Hello All,
>
> My results using 64 bit vs 32 bit, mid morning market hours using IB, not IB
> Gateway. Running 4 charts, under 'Code Check & Profile" the two biggest
> total time users are Foreign and Set Foreign, 10.263 and 9.973 ms for total
> of 0.0260055 sec. All running on quad core Q8200 2.34 GHz, 4 GB memory.
>
> Load Factor:
>
> 32 bit = 116%
>
> 64 bit = 58%
>
> Total refresh time:
>
> 32 bit = 212 ms
>
> 64 bit = 117 ms
>
> Total Data Access Time:
>
> 32 bit = 18 ms
>
> 64 bit = 1 ms
>
> Plug in time:
>
> 32 bit = .3 ms
>
> 64 bit = .2 ms
>
> Free virtual memory:
>
> 32 bit = 3905 mb
>
> 64 bit = 8388448 mb
>
> Thanks TJ
>
> Regards,
>
> JG
>
>
>
>
>
>
>
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